Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Lexus GS 460FACTORY OEM SERVICE PROCEDURE
Back Window Glass: Installation
- INSTALL NO. 2 WINDSHIELD GLASS STOPPER
- Apply Primer G to the glass where the spacers will be installed.NOTE:
- Allow the primer to dry for 3 minutes or more.
- Throw away any leftover primer.
- Do not apply too much primer.
- Install 2 new stoppers onto the glass as shown in the illustration.
Specification
AREA MEASUREMENT CHARTArea Measurement a 13.0 mm (0.512 in.) b 40.0 mm (1.575 in.)
- Apply Primer G to the glass where the spacers will be installed.
- INSTALL NO. 1 WINDSHIELD GLASS STOPPER
- Install 2 new stoppers to the vehicle body as shown in the illustration.
- INSTALL BACK WINDOW GLASS DAM
- Apply Primer G to the glass where the dams will be installed.
- Remove the peeling paper from the adhesive part of the dam. Install the dam (adhesive side) to the glass (Primer G area), but exclude the area above the notches on the upper part of the glass.
Specification
AREA MEASUREMENT CHARTArea Measurement a 9.5 mm (0.374 in.) b 7.5 mm (0.295 in.)
- INSTALL BACK WINDOW GLASS
- Position the glass.
- Using suction cups, place the glass in the correct position.
- Check that the entire contact surface of the glass rim is perfectly even.
- Place matchmarks on the glass and vehicle body on the locations indicated in the illustration.
HINT:
- Placing matchmarks is only necessary when installing new glass. If it is the reused glass, matchmarks should already be present.
- When reusing the glass, check and correct the matchmark positions.
NOTE: Check that the stoppers are attached to the vehicle body correctly. - Using suction cups, remove the glass.
- Using a brush, apply Primer M to the exposed part of the vehicle body.NOTE:
- Allow the primer to dry for 3 minutes or more.
- Do not apply primer to the adhesive.
- Throw away any leftover primer.
- Do not apply too much primer.
- Using a brush or sponge, apply Primer G to the contact surface of the glass.
- Position the glass.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
